Through the Looking Glass and What Walter Found There
Fringe Season 5 Episode 6 (11/09/12)
Walter searches for a key object to help in the fight against the Observers on Fringe this week.
Peter lies to Olivia when she asks about the cut on his neck.
Walter finds another videotape.
Walter goes into a parallel universe pocket.
Walter discovers he left an Observer child in the pocket universe 20 years earlier.
Peter starts to feel the effects of the Observer tech.